The Truth answers for Assassins Creed 2

http://mycheats.1up.com/view/section/3170852/27934/assassin_s_creed_2/xbox_360
http://mycheats.1up.com/view/section/3170852/28004/assassin_s_creed_2/xbox_360

I think these are what you're looking for. (Note: The guide is in two parts)